2TE25A

{{Short description|Russian diesel freight locomotive}}

{{one source|date=December 2014}}

{{Infobox locomotive

| name=2TE25A

| image=2ТЭ25А-028.jpg

|caption=2TE25A-028

| powertype=Diesel-electric

| primemover = Kolomna Engineering Works 2D49 type

| enginetype= 4-stroke, V12 EFI equipped diesel

| tractionmotors=DAT-470 (asynchronous)

| builddate=from 2006

| totalproduction = 52

| builder=Bryansk Machine-Building Plant, Transmashholding, Russia

| locoweight={{convert|144|t|abbr=on}} per unit
{{convert|288|t|abbr=on}} total

| uicclass=2×(Co-Co)

| gauge = {{track gauge|1520mm|lk=on}}

| nicknames=Vityaz

| poweroutput={{convert|2500|kW|hp|0|abbr=on}} per unit
{{convert|5000|kW|hp|0|abbr=on}} total

| maxspeed={{convert|120|km/h|0|abbr=on}}

| safety= КЛУБ-У (KLUB-U, Complex locomotive safety system),
МСУД (MSUD, Microprocessor control and diagnostics)

| operator=RŽD, Türkmendemirýollary{{Cite web|url=https://turkmenportal.com/blog/40090/bryanskii-mashinostroitelnyi-zavod-izgotovil-dlya-turkmenistana-teplovoz|title=Брянский машиностроительный завод изготовил для Туркменистана тепловоз | Технологии}}{{Cite web|url=http://www.br-tvr.ru/index.php/ekonomika/39279-bryanskij-teplovoz-postavili-v-turkmenistan|title = ГТРК Брянск - БМЗ поставил грузовой тепловоз 2ТЭ25КМ в Туркменистан}}

}}

The 2TE25A main line two-unit diesel freight locomotive, rated at {{convert|5000|kW|hp|0|abbr=on}}, with AC/AC transmission and individual axle traction control, is designed to haul freight trains on the Russian Federation lines RŽD with the broad gauge.

2TE25A diesel locomotive has been configured on the basis of the previously developed 2TE25K class Peresvet main line two-unit diesel freight locomotive of the same power rating and featuring AC/DC transmission and collector traction motors.{{cite web|url=http://oldeng.tmholding.ru/work/catalog/products/650/651/2140|accessdate=2011-08-14|title=2TE25A Diesel Freight Locomotive|archive-url=https://archive.today/20120719033135/http://oldeng.tmholding.ru/work/catalog/products/650/651/2140|archive-date=2012-07-19|url-status=dead}}

• Starting tractive effort — 2×441 kN
• Continuous tractive effort — 2×390 kN